	// CheckboxGroup 复选组
	var CheckboxGroup=function(selector){
		this.selector=selector
	}
	CheckboxGroup.prototype=new Control();
	CheckboxGroup.prototype.init=function(){
		var valueElement=$("input[type=hidden]",this.selector).get(0);
		var value=$(valueElement).eq(0).val();
		$(valueElement).remove();
	
		var valueArray=value.split(",");
		var selectors=$("input[type=checkbox]",this.selector);
		
		for(var i=0;i<selectors.length;i++){
			if(valueArray.indexOf(selectors.eq(i).val())>-1){
				selectors.eq(i).attr("checked","checked");
			}
		}
	}
	HTMLTurbo.control.CheckboxGroup=CheckboxGroup;